Preheat your oven to 375°F (190°C). This will be used to bake the wings after they are fried.
Heat a pot of oil on medium-high heat until it reaches 350°F (175°C) with a candy/deep-fry thermometer. Be sure to use caution when heating the oil to prevent it from getting too hot.
Rinse the chicken wingettes under cold water, pat dry with a paper towel, and place in a large bowl. Season generously with celery salt and toss to coat evenly.
Carefully add the wings to the hot oil in batches, making sure not to overcrowd the pot. Fry for 8-10 minutes until golden brown and cooked through. Once finished, remove the oil and transfer it to a plate lined with paper towels to absorb any excess oil.
Place the fried wings in a greased baking dish and set aside.
In a medium bowl, combine Kikkoman Thai Style Chili Sauce with fresh basil leaves. Mix until combined.
Pour the sauce over the wings and mix to evenly coat. Make sure all of the wings are completely coated with the sauce.
Place the baking dish in your preheated oven and bake for 20 minutes, or until the sauce is bubbling and the wings are cooked through. Once finished, remove from the oven and serve.